China Copper alloy ring ma GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 41882-2022 Copper and Copper Alloy Powders for Additive Manufacturing 增材制造用铜及铜合金粉 - 英文版 |
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GB/T 33949-2017 Copper alloy ring material for bearing cage 轴承保持架用铜合金环材 - 英文版 |
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